This paper discusses our solution for driving holographic displays with interactive or video content encoded in real-time
by using SeeReal's Sub-Hologram-technology in combination with
off-the-shelf-hardware. Guidelines for correctly
creating complex content including aspects regarding transparency in holograms from both the content side and the
holography side are presented. The conventional approaches for generating computer generated holograms are discussed
in comparison with our solution using Sub-Holograms, to rapidly reduce computation power. Finally the computingplatform
and the specification of our 20 inch direct-view holographic prototype will be presented.
Large real-time holographic displays with full color are feasible with SeeReal's new approach to holography and today's
technology. The display provides the information about the 3D scene in a viewing window at each observer eye. A
tracking system always locates the viewing windows at the observer eyes. This combination of diffractive and refractive
optics leads to a significant reduction of required display resolution and computation effort and enables holographic
displays for wide-spread consumer applications. We tested our approach with two 20 inch prototypes that use two
alternatives to achieve full color. One prototype uses color filters and interlaced holograms to generate the colors
simultaneously. The other prototype generates the colors sequentially. In this paper we review our technology briefly,
explain the two alternatives to full color and discuss the next steps toward a consumer product.
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